Smith, Sydney F.
Telephony and telegraphy : and introduction to instruments and switching systems (electromechanical and reed-electronic)
Oxford University Press, 1978
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Bonea, Amelia
The news of empire: telegraphy, journalism, and the politics of reporting in colonial India, c. 1830-1900
Oxford University Press, 2016
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A History Of .........
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A History Of .........
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History
by Korean Overseas Information Service
Korean Overseas Information Service, 1972
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